{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{longtable}{l*{4}{c}}
\caption{VMT Spillover Analysis Event Study Results \label{atab:VMTSpillover6}}\\
\hline\hline\endfirsthead\hline\endhead\hline\endfoot\endlastfoot
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{\makecell{No \\ DSCs}}&\multicolumn{1}{c}{\makecell{Documented \\ DSCs}}&\multicolumn{1}{c}{\makecell{Suspected \\ DSCs}}&\multicolumn{1}{c}{\makecell{Potential \\ DSCs}}\\
                &     b/se   &     b/se   &     b/se   &     b/se   \\
\hline
Main Event: t $\leq$ -6&   -0.010   &   -0.010   &   -0.011   &   -0.027   \\
                &  (0.021)   &  (0.021)   &  (0.020)   &  (0.019)   \\
Main Event: t=-5&   -0.000   &   -0.000   &   -0.001   &   -0.008   \\
                &  (0.013)   &  (0.013)   &  (0.013)   &  (0.013)   \\
Main Event: t=-4&   -0.007   &   -0.007   &   -0.008   &   -0.013   \\
                &  (0.012)   &  (0.012)   &  (0.012)   &  (0.012)   \\
Main Event: t=-3&   -0.010   &   -0.010   &   -0.011   &   -0.010   \\
                &  (0.010)   &  (0.010)   &  (0.010)   &  (0.010)   \\
Main Event: t=-2&   -0.009   &   -0.009   &   -0.010   &   -0.009   \\
                &  (0.009)   &  (0.009)   &  (0.009)   &  (0.010)   \\
Main Event: t=-1&    0.000   &    0.000   &    0.000   &    0.000   \\
                &      (.)   &      (.)   &      (.)   &      (.)   \\
Main Event: t=0 &   -0.011   &   -0.011   &   -0.011*  &   -0.012*  \\
                &  (0.007)   &  (0.007)   &  (0.007)   &  (0.007)   \\
Main Event: t=1 &   -0.000   &   -0.000   &   -0.001   &   -0.003   \\
                &  (0.012)   &  (0.012)   &  (0.012)   &  (0.011)   \\
Main Event: t=2 &   -0.009   &   -0.009   &   -0.010   &   -0.008   \\
                &  (0.014)   &  (0.014)   &  (0.014)   &  (0.014)   \\
Main Event: t=3 &   -0.003   &   -0.003   &   -0.004   &   -0.003   \\
                &  (0.018)   &  (0.018)   &  (0.018)   &  (0.018)   \\
Main Event: t=4 &   -0.015   &   -0.015   &   -0.015   &   -0.013   \\
                &  (0.018)   &  (0.018)   &  (0.018)   &  (0.017)   \\
Main Event: t=5 &   -0.022   &   -0.022   &   -0.021   &   -0.020   \\
                &  (0.020)   &  (0.020)   &  (0.020)   &  (0.020)   \\
Main Event: t $\geq$ 6&   -0.016   &   -0.016   &   -0.015   &   -0.020   \\
                &  (0.021)   &  (0.021)   &  (0.021)   &  (0.022)   \\
Neighbor Event: t $\leq$ -6&    0.015*  &    0.015*  &    0.012   &    0.007   \\
                &  (0.008)   &  (0.008)   &  (0.007)   &  (0.006)   \\
Neighbor Event: t = -5&    0.015** &    0.015** &    0.013** &    0.005   \\
                &  (0.006)   &  (0.006)   &  (0.005)   &  (0.005)   \\
Neighbor Event: t = -4&    0.010*  &    0.010*  &    0.008   &    0.003   \\
                &  (0.005)   &  (0.005)   &  (0.005)   &  (0.005)   \\
Neighbor Event: t = -3&    0.010** &    0.010** &    0.008*  &    0.004   \\
                &  (0.005)   &  (0.005)   &  (0.004)   &  (0.004)   \\
Neighbor Event: t = -2&    0.006   &    0.006   &    0.004   &    0.003   \\
                &  (0.004)   &  (0.004)   &  (0.003)   &  (0.003)   \\
Neighbor Event: t = -1&    0.000   &    0.000   &    0.000   &    0.000   \\
                &      (.)   &      (.)   &      (.)   &      (.)   \\
Neighbor Event: t = 0&   -0.003   &   -0.003   &   -0.003   &   -0.002   \\
                &  (0.003)   &  (0.003)   &  (0.003)   &  (0.003)   \\
Neighbor Event: t = 1&   -0.001   &   -0.001   &   -0.001   &    0.001   \\
                &  (0.004)   &  (0.004)   &  (0.004)   &  (0.004)   \\
Neighbor Event: t = 2&   -0.006   &   -0.006   &   -0.006   &   -0.002   \\
                &  (0.005)   &  (0.005)   &  (0.005)   &  (0.005)   \\
Neighbor Event: t = 3&   -0.006   &   -0.006   &   -0.005   &   -0.002   \\
                &  (0.007)   &  (0.007)   &  (0.007)   &  (0.007)   \\
Neighbor Event: t = 4&   -0.007   &   -0.007   &   -0.005   &   -0.001   \\
                &  (0.008)   &  (0.008)   &  (0.008)   &  (0.007)   \\
Neighbor Event: t = 5&   -0.007   &   -0.007   &   -0.005   &   -0.000   \\
                &  (0.008)   &  (0.008)   &  (0.008)   &  (0.008)   \\
Neighbor Event: t $\geq$ 6&   -0.003   &   -0.003   &   -0.005   &   -0.001   \\
                &  (0.008)   &  (0.008)   &  (0.008)   &  (0.008)   \\
\hline
Observations    &     2424   &     2424   &     2424   &     2424   \\
\hline\hline
\multicolumn{5}{l}{\footnotesize * p \textless 0.1, ** p \textless 0.05, *** p \textless 0.01}\\
\multicolumn{5}{l}{\footnotesize Note: All models include state and year fixed effects as well as state-level time trends.}\\
\multicolumn{5}{l}{\footnotesize All models cluster standard errors  by state.}\\
\end{longtable}
}
